Onset H21-USB ຕົວບັນທຶກຂໍ້ມູນ HOBO USB Micro Station (-20°~50°C/-40~70°C)
Operating Range: -20° to 50°C (-4° to 122°F) with alkaline batteries; -40 to 70°C (-40 to 158°F) with lithium batteries
Smart Sensor Connectors: 5
Smart Sensor Data Channels: Maximum of 15 (some smart sensors use more than one data channel)
Smart Sensor Network Cable Length: 100 m (328 ft) maximum
Logging Interval: 1 second to 18 hours
Memory: 512 KB nonvolatile flash data storage
Time Accuracy: 0 to 2 seconds for the first data point and ±5 seconds per week at 25°C (77°F)
Battery Type: Four AA 1.5 V alkaline batteries for operating conditions of -20° to 50°C (-4° to 122°F); four AA 1.5 V lithium batteries for operating conditions of -40 to 70°C (-40 to 158°F)
Communication Type: USB 2.0 interface
Dimensions: 17.04 x 11.94 x 4.47 cm (6.71 x 4.70 x 1.76 in.)
Weight: 414 g (14.6 oz)
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ